Tom Lane wrote:
> Log message:
> Revise tuplestore and nodeMaterial so that we don't have to read the
> entire contents of the subplan into the tuplestore before we can return
> any tuples. Instead, the tuplestore holds what we've already read, and
> we fetch additional rows from the subplan as needed. Random access to
> the previously-read rows works with the tuplestore, and doesn't affect
> the state of the partially-read subplan. This is a step towards fixing
> the problems with cursors over complex queries --- we don't want to
> stick in Materialize nodes if they'll prevent quick startup for a cursor.
>
So if I understand this correctly, tuplestore_donestoring() is not used
anymore (and doen't even exist)? Anything else changed in tuplestore
behavior? I have to update PL/R also for this.
Thanks,
Joe
